When to Thatch Grass in Michigan?

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When to Thatch Grass in Michigan?

Thatch grass when the thatch layer, consisting of undecomposed stems and roots, becomes thicker than a half-inch, recommends the Michigan State University Extension. While you can use a power rake in early September, a coring machine causes less damage to the lawn.

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Rogue Parrish has written two travel books and edited at the "The Baltimore Sun," "The Washington Post" and the Alaska Newspapers company. She began writing professionally in 1975. Parrish holds a summa cum laude Bachelor of Science degree in journalism from the University of Maryland.